{
 "task": "G1077",
 "mutants": [
  {
   "object": "{{P}}WATER_BILL",
   "mutant": "line 45: + -> - (arith)",
   "status": "killed",
   "hidden": "2/9",
   "failed_tests": [
    "FIRST_TIER_ONLY",
    "LARGE_CONSUMPTION",
    "SECOND_TIER",
    "SEWAGE_ROUNDING",
    "STANDING_CHARGE_ONLY",
    "THIRD_TIER",
    "TIER_BOUNDARY_50"
   ]
  },
  {
   "object": "{{P}}WATER_BILL",
   "mutant": "line 47: < -> >= (rel)",
   "status": "killed",
   "hidden": "0/9",
   "failed_tests": [
    "BELOW_MINIMUM",
    "FIRST_TIER_ONLY",
    "LARGE_CONSUMPTION",
    "SECOND_TIER",
    "SEWAGE_ROUNDING",
    "STANDING_CHARGE_ONLY",
    "THIRD_TIER",
    "TIER_BOUNDARY_50",
    "ZERO_CONSUMPTION"
   ]
  },
  {
   "object": "{{P}}WATER_BILL",
   "mutant": "line 61: + -> - (arith)",
   "status": "killed",
   "hidden": "3/9",
   "failed_tests": [
    "FIRST_TIER_ONLY",
    "LARGE_CONSUMPTION",
    "SECOND_TIER",
    "SEWAGE_ROUNDING",
    "THIRD_TIER",
    "TIER_BOUNDARY_50"
   ]
  },
  {
   "object": "{{P}}WATER_BILL",
   "mutant": "line 78: * -> / (arith)",
   "status": "killed",
   "hidden": "0/9",
   "failed_tests": [
    "BELOW_MINIMUM",
    "FIRST_TIER_ONLY",
    "LARGE_CONSUMPTION",
    "SECOND_TIER",
    "SEWAGE_ROUNDING",
    "STANDING_CHARGE_ONLY",
    "THIRD_TIER",
    "TIER_BOUNDARY_50",
    "ZERO_CONSUMPTION"
   ]
  },
  {
   "object": "{{P}}WATER_BILL",
   "mutant": "line 83: > -> <= (rel)",
   "status": "killed",
   "hidden": "3/9",
   "failed_tests": [
    "FIRST_TIER_ONLY",
    "LARGE_CONSUMPTION",
    "SECOND_TIER",
    "SEWAGE_ROUNDING",
    "THIRD_TIER",
    "TIER_BOUNDARY_50"
   ]
  }
 ],
 "valid": 5,
 "killed": 5,
 "kill_rate": 1.0,
 "ok": true
}